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For all of the following experiments, under standard conditions, which species could be spontaneously produced? (a) A lead wire is placed in a solution containing Cu2+ No reaction. YES or NO Cu. YES or NO PbO2. YES or NO (b) Crystals of I2 are added to a solution of NaCl. No reaction. YES or NO I^-. YES or NO Na. YES or NO (c) Cl2 gas is bubbled into a solution of NaI. Cl^-. YES or NO No reaction. YES or NO Na. YES or NO

Write the expression Kc for the following reactions. (a) Fe2+(aq) + Ce4+(aq) ⇋ Fe3+(aq) + Ce3+(aq) (b) CaCO3(s) ⇋ CaO(s) + CO3(g)

If 15 g of copper metal was added to an aqueous solution containing 6.0 moles of HNO3, how many grams of NO(g) would be produced, assuming a 90% yield? (10 puan) (Mw: Cu:63.55, HNO3: 63.01, NO:30 amu).

280.89 (b) aluminum chloride hexahydrate AICO3 6 H20 Th= 6(18.02) x100% E 241.46 2) If iron(II) sulfate is heated too strongly, the following reaction will occur FeSO4(s) FeO(s) + SO3(g) If you are heating a sample of FeSO4 6H₂O and this reaction occurs along with dehydration, what will happen to the experimental percent water? Explain your answer. visvobos tro Woun 3) A 8.416 g sample of CaCl2 xH2O after heating gives an anhydrous residue of 5.624 g What is the value of x? mass H₂0 = 8.4169-5.624g = 2.792g mol H₂0 = 2.7928 AICI 3 133.344 AICI3-6 H20 (133.34 + 6(18.07 Th44,787 (Imol X=3 (18.028 Ratio= 0.1549, mot 0.05068 mot m!). mol CaC12 = 5.624 ( 1 malin 110.98 = 0.1549 mol = 0.05068 mol = 3.05 3 CaCl 2 3H2O

help  please answer in text form with proper workings and explanation for each and every part and steps with concept and introduction no AI no copy paste remember answer must be in proper format with all working

7, 5. %24 Chem101 https://app.101edu.co Question 5 of 20 Write a balanced chemical equation based on the following description: the reaction of gaseous sulfur dioxide with solid potassium telluride produces gaseous sulfur ditelluride and solid potassium oxide 4+ 12 345 6 8. 6. (s) (1) (g) (aq) Te P. Su •x H:O Delete Reset a 81°F A E I e to search 重X メ 6 1490 OF 6. 30

(24) The gold-plating of a ceramic figurine requires a total of 2.78 g of solid gold. If the current being used is 12.7 amperes, how many minutes will it take to plate the gold figurine? You may assume that there is sufficient concentration of gold cation to complete the process. (A) 1.79 (B) 1056 (C) 5.36 VELG 14 (D) 68.1 (E) 4.57 8

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Please answer 3 sub-units thank you!

O Nitrobenzene C,H5NO2 (molar mass=123.11 g/mol), is quantitavely reduced to aniline C6H5NH2 with metallic tin (atomic mass=118.7 amu) 3 Sn +2 C,H,NO, +12 H+→2C,H,NH, +4 H,0+3SN“ A 0.507 g of impure nitrobenzene sample was treated with 1.044 g of tin. When the reaction was complete, the residual tin was found to weigh 0.338 g, calculate the percentage of nitrobenzene in the sample. a. 50.34% d. 96.12% b. 64.78% c. 77.32% e. 17.57%

The Ostwald process for the commercial production of nitric acid fromammonia and oxygen involvesthe following steps:4NH3 (g) + 5O2 → 4NO (g) + 6H2O (g)2NO (g) + O2 (g) → 2NO2(g)3NO2 (g) + H2O(l) → 2HNO3 (aq) + NO (g)a.Use the values of ΔH° ( in Appendix 4 to calculate the value of ΔH° for each of the preceding reactions.b. Write the overall equation for the production of nitric acid by theOstwald process by combining the preceding equations. (Water is also a product.) Is the overall reaction exotihermic or endothermic?

can Pol x Module 21 OWLv2 Im/takeAssignment/takeCovalentActivity.do?locator=assignment-take If 9 moles of chlorine react, The reaction consumes The reaction produces Use the References to access important values if needed for this question. When chlorine reacts with water, hydrochloric acid and chloric acid (HCIO3) are produced. The balanced equation for this reaction is: 3Cl₂(g) + 3H₂O(1)→ 5HCl(aq) + HClO3(aq) Submit Answer Q Search H Z & LDL J OWLv2 | Online teaching and X b Answered: For the reaction 2 x + Retry Entire Group M moles of water. moles of hydrochloric acid and moles of chloric acid (HCIO3). fo K 9 more group attempts remaining hp f10 > NO 11 131 P 1 VS W prt se Couse ☆ ② : (Premibus Next ^GG 34 backspace lock enter 7 6:56 PM 5/14/2023 X 71 004

Match each statement in the left column of the table below with a compound on the right. In your answer, write the name of the matching compound against the number of the statement, eg. a) Hg Note that each compound must be matched with only one statement. If a compound can be matched with more than one statement (or vice versa), it is up to you to find the BEST match. a) A metal that is in the liquid phase at room Sio2 temperature. CO2 b) A compound that forms a network solid KNO3 composed of covalently bonded atoms. c) A gas that will dissolve in water due to Poly-ethylene (a plastic) dipole – induced dipole forces. Graphite d) The solid-liquid equilibrium line on the H20 phase diagram of this compound has a negative slope. NH3 e) A solid substance at STP, in which the Hg particles are held together by induced 12 dipole - induced dipole forces. f) A substance that will dissolve in water due to hydrogen bonding. 8) A covalent network solid that has good electrical conductivity. h) An…

Match each statement in the left column of the table below with a compound on the right. In your answer, write the name of the matching compound against the number of the statement, eg. a) Hg Note that each compound must be matched with only one statement. If a compound can be matched with more than one statement (or vice versa), it is up to you to find the BEST match. a) A metal that is in the liquid phase at room SIO2 temperature. CO2 b) A compound that forms a network solid KNO3 composed of covalently bonded atoms. c) | A gas that will dissolve in water due to Poly-ethylene (a plastic) dipole – induced dipole forces. Graphite d) The solid-liquid equilibrium line on the H20 phase diagram of this compound has a negative slope. NH3 e) A solid substance at STP, in which the Hg particles are held together by induced dipole - induced dipole forces. f) A substance that will dissolve in water due to hydrogen bonding. g) A covalent network solid that has good electrical conductivity. h) An…

What is Eºcell in volts? (C) || (aq) | 12 (s) || Cl₂ (g) | CI (aq) | (C) I₂ (s) + 2 e² → 2 I¯ (aq) Cl₂ (g) + 2 e → 2 C1 (aq) O +0.824 O -0.824 O -1.896 O +1.648 O -1.648 O +1.896 Eº = +0.536 V Eº = +1.360 V

Which of these reactions will not produce hydrogen gas when carried out at room temperature?          (A) Li(s)  +  H2O(l)  --> ?          (B) Na(s)  +  H2O(l)  -->  ?          (C) Mg(s)  +  H2O(l)  --> ?          (D) Ca(s)  +  H2O(l)  --> ?

Balance the tollowing equation representing the compustion of propane in air. 1g) (5) 土

In the smelting of iron ores, the reduction of iron oxides in a blast furnace is accompanied by the oxidation of COg) to CO2g)- The three reactions leading to the formation of Fe are: Reaction (i): 3 Fe,03e) + CO(g) - 2 Fe,04e) + CO2(9) Reaction (ii): Fe,04(a) + CO(g) - 3 FeO(e) + CO2(g) Reaction (ii): FeO(e) + CO(g) - Fe (s) + CO29) The graph below shows the variation of the Gibbs energy change with temperature for each of these reactions. Which one of the following statements is INCORRECT? 50 (iii) 40 -50 (ii) -100 (i) -150 1000 2000 T/K O All of the three reactions are spontaneous at 500 K. Reactions (i) and (i) are more favorable at high temperatures. O The Keg for Reaction (i) is larger than the Kug for Reaction (ii) at all temperatures. Reaction (ii) is spontaneous at high temperatures.

b To make NaTcO4, the metal is dissolved in nitric acid 7 HNO3 (aq) + Tc(s) → HTCO4(aq) + 7 NO2 (g) + 3 H20(2) and the product, HTCO4, is treated with NaOH to make NaTcO4. Write a balanced equation for the reaction of HTCO4 with NaOH. (Use the lowest possible coefficients. Be sure to specify states such as (ag) or (s). If a box is not needed, leave it blank.)

2. Lead (II) sulfide is the principle source of lead metal. To obtain the metal, the sulfide is first heated in air to produce PbO. PbS + 3/20,e - PbO + SO2) AH = -415.4 kJ (s) (8)7 The oxide is then reduced to the metal with carbon. PbO + C - Pb + CO (s) Calculate AH for the reaction of one mole of PbS with oxygen and carbon, forming lead, sulfur AH =+108,5 kJ (s) dioxide and carbon monoxide.

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What is the balanced equation of the synthesis reaction of benzoin to benzil using the reagent nitric acid (HNO3) in the presence of Acetic Acid (CH3COOH)? I have written out the equation below in the picture, but I am unsure how to balance it.

Complete and balance the following redox reaction in basic solution CIO3 (aq) + C204² (aq) → CIO2(g) + CO2(g) 14- 3- |2- O2+ 3+ 4+ 1 6. 7 8 9 0. O3 Os O, Do 12 14 7 9. (s) (1) (g) (aq) OH H2O ei H3O 4+ 2. +